turnovercount.aspx.cs

用ASP.NET做的酒店管理系统,该系统主要处理酒店日常运营中涉及的客户信息.

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Configuration ;
using System.Data .SqlClient ;


namespace HMS
{
	/// <summary>
	/// TurnoverCount 的摘要说明。
	/// </summary>
	public class TurnoverCount : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.HyperLink hlk_goodsmanage;
		protected System.Web.UI.WebControls.HyperLink hlk_roommanage;
		protected System.Web.UI.WebControls.HyperLink hlk_roomtypemanage;
		protected System.Web.UI.WebControls.HyperLink hlk_passwordmodifyforadmin;
		protected System.Web.UI.WebControls.HyperLink Hyperlink1;
		protected System.Web.UI.WebControls.DropDownList ddl_dayto;
		protected System.Web.UI.WebControls.DropDownList ddl_monthto;
		protected System.Web.UI.WebControls.DropDownList ddl_yearto;
		protected System.Web.UI.WebControls.DropDownList ddl_dayfrom;
		protected System.Web.UI.WebControls.DropDownList ddl_monthfrom;
		protected System.Web.UI.WebControls.DropDownList ddl_yearfrom;
		protected System.Web.UI.WebControls.Label lbl_count;
		protected System.Web.UI.WebControls.DropDownList ddl_rtype;
		protected System.Web.UI.WebControls.Button btn_statistic;
		protected System.Web.UI.WebControls.HyperLink hlk_turnovercount;
		protected System.Web.UI.WebControls.DataGrid dgd_count;
	
		private void Page_Load(object sender, System.EventArgs e)
		{	//判断用户是否为合法用户
			try
			{
				if(Session["UPower"].ToString ()=="1") ;
			}
			catch
			{
				Response.Write ("您不是合法用户，请登录后再操作，<a href='default.aspx'>返回</a>");
				Response.End ();
			}
			if(!IsPostBack)
			{	BindDropDownList();
				BindGrid();
				BindLabel();
			}
		}
		//绑定房间类型信息下拉列表框
		public void BindDropDownList()
		{
			string strconn= ConfigurationSettings.AppSettings["dsn"];
			//连接本地计算机的HMS数据库
			SqlConnection cn0= new SqlConnection (strconn);
			cn0.Open ();
			string mysql="select * from RoomType ";
			SqlCommand cm=new SqlCommand  (mysql,cn0);
			SqlDataReader dr=cm.ExecuteReader ();
			while(dr.Read ())
			{
				ddl_rtype.Items .Add (new ListItem(dr["tname"].ToString(),dr["tid"].ToString()) );
			}
			cn0.Close ();
		}
		public void BindGrid()
		{	//从文件Web.config中读取连接字符串
			string strconn= ConfigurationSettings.AppSettings["dsn"];
			//连接本地计算机的HMS数据库
			SqlConnection cn= new SqlConnection (strconn);
			//创建最初选择语句
			string orderstate="SELECT RID,RType,TID,TName,ORID,OBeginDate,OEndDate,OPay FROM GuestRoom,RoomType,Occupy WHERE RID=ORID AND RType=TID AND OPay!=0";
			if (ddl_rtype.SelectedItem .Value .ToString ()!="-1")//如果“房间类型”有输入
			{
				orderstate=orderstate+" and rtype="+ddl_rtype.SelectedItem .Value .ToString ();
			}
			//读取时间纪录
			string datefrom=ddl_yearfrom.SelectedItem .Value .ToString ()+"-"+ddl_monthfrom.SelectedItem .Value .ToString ()+"-"+ddl_dayfrom.SelectedItem .Value .ToString ();
			string dateto=ddl_yearto.SelectedItem .Value .ToString ()+"-"+ddl_monthto.SelectedItem .Value .ToString ()+"-"+ddl_dayto.SelectedItem .Value .ToString ();
			orderstate=orderstate+" and oenddate between '"+datefrom +"'and'"+dateto+"'";
			//创建SqlDataAdapter对象,调用视图
			SqlDataAdapter da=new SqlDataAdapter (orderstate,cn);
			//创建并填充DataSet
			DataSet ds=new DataSet ();
			da.Fill (ds);
			dgd_count.DataSource =ds;
			dgd_count.DataBind ();
			cn.Close ();
		}
		//绑定所预购图书总和到lbl_count上
		public void BindLabel()
		{	//从文件Web.config中读取连接字符串
			string strconn= ConfigurationSettings.AppSettings["dsn"];
			//连接本地计算机的BMS数据库
			SqlConnection cn= new SqlConnection (strconn);
			cn.Open ();
			//创建读取当前用户预购商品的价格总和
			string ordersum="SELECT sum(opay) ordersum FROM GuestRoom,RoomType,Occupy WHERE RID=ORID AND RType=TID AND OPay!=0";
			if (ddl_rtype.SelectedItem .Value .ToString ()!="-1")//如果“房间类型”有输入
			{
				ordersum=ordersum+" and rtype="+ddl_rtype.SelectedItem .Value .ToString ();
			}
			//读取时间纪录
			string datefrom=ddl_yearfrom.SelectedItem .Value .ToString ()+"-"+ddl_monthfrom.SelectedItem .Value .ToString ()+"-"+ddl_dayfrom.SelectedItem .Value .ToString ();
			string dateto=ddl_yearto.SelectedItem .Value .ToString ()+"-"+ddl_monthto.SelectedItem .Value .ToString ()+"-"+ddl_dayto.SelectedItem .Value .ToString ();
			ordersum=ordersum+" and oenddate between '"+datefrom +"'and'"+dateto+"'";
			SqlCommand cm=new SqlCommand (ordersum,cn);
			SqlDataReader dr =cm.ExecuteReader ();
			dr.Read ();
			if (dr["ordersum"].ToString ()=="")
				lbl_count.Text ="0";
			else 
				lbl_count.Text=dr["ordersum"].ToString ();
			cn.Close ();
		}
		private void btn_statistic_Click(object sender, System.EventArgs e)
		{
			BindGrid();
			BindLabel();
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN：该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.btn_statistic.Click += new System.EventHandler(this.btn_statistic_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	}
}